Ethylene glycol is used as a protecting group for carbonyl groups in organic synthesis. Treating a ketone or aldehyde with ethylene glycol in the presence of an acid catalyst (e.g., p-toluenesulfonic acid; BF3â¢Et2O) gives the corresponding a 1,3-dioxolane, which is resistant to bases and other nucleophiles.
Charles Street and Beacon Hill in Historic Boston, Massachusetts. Shops on Charles Street are an eclectic mix of boutiques, galleries, jewelry stores and home accessory shops with plenty of nearby restaurants, inns and historic sites.
Ave (Commonwealth Avenue) as well as explore Copley Place and the Pru (Prudential Center), all boasting trendy shops, excellent restaurants, and vibrant nightlife. Downtown Boston includes the Boston Common, Faneuil Hall and Quincy Market as well as the city's financial district.